He also works at his father's company, overseeing the business
empire since his father took up the presidency. Most of his
present-day media profile comes from discussing his father and
his presidency.

Trump with his father during a news conference in the lobby of Trump Tower in New York City in 2017.REUTERS/Lucas Jackson

The elder Trump, his lawyer Rudy Giuliani, and other allies have
sought to damage the elder Biden's reputation ahead of the 2020
presidential campaign, claiming without evidence that he
improperly pressured Ukraine to fire its top prosecutor, Viktor
Shokin, to protect the younger Biden, who served on the board of
a Ukrainian energy company.

There is no evidence that Hunter Biden was individually
scrutinized as part of an investigation into the company,
Burisma.

The president, however, is
facing impeachment proceedings sparked by a July 25 phone
call in which he Ukrainian President Volodymyr Zelensky to
investigate the Bidens as "a favor."

President Donald Trump with Ukrainian President Volodymyr Zelensky on the sidelines of the United Nations General Assembly in New York City on September 25.Jonathan Ernst/Reuters